// Copyright 2004-2011 Castle Project - http://www.castleproject.org/
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Castle.Windsor.Diagnostics
{
	using System;
	using System.Linq;

	using Castle.MicroKernel;

	public class AllServicesDiagnostic : IAllServicesDiagnostic
	{
		private readonly IKernel kernel;

		public AllServicesDiagnostic(IKernel kernel)
		{
			this.kernel = kernel;
		}

		public ILookup<Type, IHandler> Inspect()
		{
			return kernel.GetAssignableHandlers(typeof(object))
				.SelectMany(handler => handler.ComponentModel.Services, (handler, service) => new { handler, service })
				.ToLookup(g => g.service, g => g.handler);
		}
	}
}